Deloitte plans to spend $580m on its own cyber security defences over the next three years as pressure increases on the ‘big four’ accounting firms to fend off attacks that could jeopardise client data.

Deloitte, which suffered a high-profile cyber breach last year that affected a small number of its clients, has significantly increased its spending on this area from “several years ago”, when it spent about $50m a year.

https://www.ft.com/content/535cf6f8-4f8b-11e8-a7a9-37318e776bab